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add IO exception handling #6

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add IO exception handling #6

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
*.DS_Store
10 changes: 9 additions & 1 deletion MKDecrypt.py
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Expand Up @@ -160,7 +160,15 @@ def main():
dmsetupcmd = 'dmsetup create ' + dmname + ' ' + ro + ' --table ' + table
subprocess.call(dmsetupcmd, shell=True)
## test that the volume has decrypted correctly by reading (part of) the OEM from VBR
test = open(dmslot, 'rb')
try:
test = open(dmslot, 'rb')
## in case dmslot not found error
except IOError:
print("io error! decrypt failed! try another one")
if crypt == ' kuznyechik-xts-plain64 ':
## if all encryption types have been tried then try hidden volumes
tryhiddenvol = True
continue
test.seek(3)
OEM = test.read(5)
test.seek(1024)
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